package com.itheima.health.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

@Slf4j
@RestControllerAdvice(annotations = {RestController.class, Controller.class})
public class GlobalExceptionHandler {

    //SQLIntegrityConstraintViolationException : Duplicate entry '666' for key 'idx_username'

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){

        log.error(ex.getMessage());

        if (ex.getMessage().contains("Duplicate entry")){

            String[] s = ex.getMessage().split(" ");

            //根据报错信息截取字段返回到前台
            String msg = "账号" + s[2] + "已存在";

            return R.error(msg);

        }

        return R.error("未知错误");

    }

    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){

        log.error(ex.getMessage());

        return R.error(ex.getMessage());

    }
}
